oblicz 0,5*0,5+1/5*1 1/5 (3,8-2,9) * ( 3/8 + 0,125) (8 1/3 -8,1) * (9-4 5/7) wszystkie obliczenia dam naj * =razy

0,5*0,5+1/5*1 1/5 = 1/4 + 6/25 = 25/100 + 24/100 = 49/100 = 0.49 (3,8-2,9) * ( 3/8 + 0,125) = 0.9 * 1/2 = 0.45 (8 1/3 -8,1) * (9-4 5/7) = 7/30 * 30/7 = 1